/*
 * Copyright (c) 2004-2022, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the HISP project nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.hisp.dhis.dxf2.events.importer.context;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;

import org.hisp.dhis.organisationunit.OrganisationUnit;

/**
 * @author Luciano Fiandesio
 */
public class SupplierUtils
{

    static OrganisationUnit getParentHierarchy( OrganisationUnit ou, String path )
    {
        if ( path.startsWith( "/" ) )
        {
            path = path.substring( 1 );
        }
        List<String> list = Arrays.asList( path.split( "/" ) );
        if ( list.size() == 1 && list.get( 0 ).equals( ou.getUid() ) )
        {
            return null;
        }
        Collections.reverse( list );

        List<OrganisationUnit> ous = list.stream().filter( uid -> !uid.equals( ou.getUid() ) ).map( ouUid -> {
            OrganisationUnit o = new OrganisationUnit();
            o.setUid( ouUid );
            return o;
        } ).collect( Collectors.toList() );
        OrganisationUnit parent = ous.get( 0 );
        for ( OrganisationUnit organisationUnit : ous )
        {
            parent.setParent( organisationUnit );
            parent = organisationUnit;
        }

        return ous.get( 0 );
    }
}
